Ключевые слова: accident, alarm, art, background, burn, chemical, color, colorful, contour, danger, emergency, equipment, extinguish, extinguisher, extinguishing, fire, firefighter, firefighting, flame, flammable, foam, green, help, hose, icon, illustration, isolated, label, line, linear, lineart, object, outline, pattern, pictogram, prevention, protect, protection, red, rescue, safety, seamless, security, sign, spray, symbol,